1221030010199 has 8 divisors (see below), whose sum is σ = 1274131229280. Its totient is φ = 1167929870976.

The previous prime is 1221030010097. The next prime is 1221030010217. The reversal of 1221030010199 is 9910100301221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1221030010199 - 2¹⁶ = 1221029944663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221030013199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2768339 + ... + 3178955.

It is an arithmetic number, because the mean of its divisors is an integer number (159266403660).

Almost surely, 2^{1221030010199} is an apocalyptic number.

1221030010199 is a deficient number, since it is larger than the sum of its proper divisors (53101219081).

1221030010199 is a wasteful number, since it uses less digits than its factorization.

1221030010199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539929.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 1221030010199 in words is "one trillion, two hundred twenty-one billion, thirty million, ten thousand, one hundred ninety-nine".